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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// class match_results<BidirectionalIterator, Allocator>
// difference_type position(size_type sub = 0) const;
#include <regex>
#include <cassert>
void
test()
{
std::match_results<const char*> m;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
assert(m.position() == std::distance(s, m[0].first));
assert(m.position(0) == std::distance(s, m[0].first));
assert(m.position(1) == std::distance(s, m[1].first));
assert(m.position(2) == std::distance(s, m[2].first));
assert(m.position(3) == std::distance(s, m[3].first));
assert(m.position(4) == std::distance(s, m[4].first));
}
int main()
{
test();
}
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